<template>
  <view class="my-settle-container">
<!-- 全选 -->
<label class="radio" @click="changeAllState">
  <radio color="#C00000" :checked="isFullCheck" /><text>全选</text?>
</label>
<!-- 合计 -->
<view class="amount-box">
  合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
</view>
<!-- 结算按钮 -->
<view class="btn-settle">
  结算({{checkedCount}})
</view>
  </view>
</template>

<script>
  import {mapMutations,mapGetters} from 'vuex'
  export default {
    name:"my-settle",
    data() {
      return {
        
      };
    },
    computed:{
      // 将total映射到当前组件中
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      // 是否全选
      isFullCheck(){
        return this.total===this.checkedCount
      }
    },
    methods:{
      //使用mapMutations辅助函数，把m_cart模块提供的updateAllGoodsState方法映射到当前组件中使用
      ...mapMutations('m_cart',['updateAllGoodsState']),
      // label的点击事件处理函数
      changeAllState(){
        // 修改购物车中所有商品的选中状态
        // !this.isFullCheck表示：当前全选按钮的状态取反，即点击全选按钮后的最新状态
        this.updateAllGoodsState(!this.isFullCheck)
      }
    }
  }
</script>

<style lang="scss">
.my-settle-container{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-left:5px;
  .radio{
    
  }
  .amount-box{
    .amount{
      color: #C00000;
      font-weight: bold;
    }
  }
  .btn-settle{
    background-color: #C00000;
    color: white;
    height: 50px;
    line-height: 50px;
    padding: 0 10px;
    min-width: 100px;
    text-align: center;
  }
}
</style>